Farr; James B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Farr; James B..The latest application filed is for "combination sight glass and sump oil level sensor for a hermetic compressor".
- Farr; James B. - Ann Arbor MI
| Patent | Date |
|---|---|
| Combination sight glass and sump oil level sensor for a hermetic compressor Grant 6,276,901 - Farr , et al. August 21, 2 | 2001-08-21 |
| Single phase compressor thermostat with start relay and motor protection Grant 6,020,702 - Farr February 1, 2 | 2000-02-01 |
| Multiple winding sensing control and protection circuit for electric motors Grant 5,784,232 - Farr July 21, 1 | 1998-07-21 |
| Inductively activated control and protection circuit for refrigeration systems Grant 5,463,874 - Farr November 7, 1 | 1995-11-07 |
| Protection circuit in inverter for refrigerators Grant 5,262,704 - Farr November 16, 1 | 1993-11-16 |
| Liquid level control with capacitive sensors Grant 5,238,369 - Farr * August 24, 1 | 1993-08-24 |
| Refrigerator cold control Grant 5,231,848 - Farr August 3, 1 | 1993-08-03 |
| Liquid level control with capacitive sensors Grant 5,145,323 - Farr September 8, 1 | 1992-09-08 |
| Permanent magnet excited alternator compressor with brushless DC control Grant 4,654,551 - Farr March 31, 1 | 1987-03-31 |
| Alternator-compressor construction Grant 4,642,031 - Farr February 10, 1 | 1987-02-10 |
| D.C. Motor speed controller Grant 4,217,526 - Farr August 12, 1 | 1980-08-12 |
| Unified pump and generator arrangement Grant 4,203,710 - Farr May 20, 1 | 1980-05-20 |
| Short pitch alternator Grant 4,097,754 - Farr June 27, 1 | 1978-06-27 |
| Electro-mechanical device Grant 4,095,922 - Farr June 20, 1 | 1978-06-20 |
| Power supply for refrigeration units Grant 3,974,660 - Farr August 17, 1 | 1976-08-17 |
| Power Supply For Refrigeration Units Grant 3,875,483 - Farr April 1, 1 | 1975-04-01 |
| Ignition Circuit With Automatic Spark Advance Grant 3,838,671 - Farr October 1, 1 | 1974-10-01 |
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